<!DOCTYPE html>
<html>

<head>
<meta charset="UTF-8">
<title></title>
<link rel="stylesheet" type="text/css" href="jquery-ui-1.12.1/jquery-ui.min.css" />
<script src="jquery-ui-1.12.1/external/jquery/jquery.js" type="text/javascript" charset="utf-8"></script>
<script src="jquery-ui-1.12.1/jquery-ui.min.js" type="text/javascript" charset="utf-8"></script>
</head>

<body>
<input type="text" name="date" id="date" />
</body>
<script type="text/javascript">
$("#date").datepicker();
</script>

</html>